Butterfly Check Valve

Didtek Butterly Check Valve is one product similar to the swing type check valve, but with the flap pivoted in front of its centre of pressure and counterweighted or spring loaded to assume a normally closed position.  When flow is in the forwards direction, the disc lits and 'floats' in the stream offering minimum resistance to flow. ​Valve can be used even in vertial piping with flow up.